Thawing Frozen Drain Pipes New! | Reliable ✓ |
Use a thermal imaging camera or infrared thermometer along the pipe run. The frozen section will be notably colder than adjacent pipe. Alternatively, run warm water into the drain for 30 seconds; if it backs up immediately, the plug is very close to the fixture. If it takes minutes to back up, the plug is farther downstream.
Thawing frozen drain pipes is a race against time. Unlike supply lines, which are under constant pressure and burst instantly, drain pipes usually freeze because of a slow-moving clog or a "belly" in the line where water sits and freezes. If left unaddressed, the expanding ice can crack PVC or split cast iron, leading to a messy (and expensive) sewage backup once things finally melt. thawing frozen drain pipes
If you're not comfortable thawing frozen drain pipes yourself or if the issue persists after trying the above methods, it's best to call a professional plumber. They can: Use a thermal imaging camera or infrared thermometer